<header id="header" class="header-a">
    <div class="logo">
        <a href="index.html"><img src="images/logo.png" alt="logo"></a>
    </div>
    <div class="h-select">
        <!-- 广州市<i></i> -->
        <select>
            <option value="1">广州</option>
            <option value="1">上海</option>
        </select>
        <i></i>
    </div>
    <div class="search search-btn">
        <a href="#"></a>
    </div>
</header>